May Weather in Gray, United States

Last updated: June 24, 2025

In Gray, United States, the average temperature in May hovers around 12°C (55°F), with minimums dipping to 1°C (34°F) and maximums soaring to 32°C (90°F). Expect a precipitation total of 78 mm (3.1 in) spread across approximately 10 days, coupled with an average humidity of 72%. Enjoy the varied climate as you plan your activities!

May Temperature in Gray

In May in Gray, the average temperature is 12°C (55°F). The maximum can reach 32°C (90°F), while the minimum can drop to as low as 1°C (34°F). It's advisable to pack layers to accommodate the significant temperature fluctuations when traveling during this month.

May Weather in Gray: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Gray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gray, May typically has an average temperature of 12°C (55°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec242632445465717063523928
Data source: Temperature data for Gray generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Gray

In Gray in May, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

May Precipitation Trends in Gray

The chart displays monthly precipitation patterns in Gray, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Gray, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec81877311678701277968127110116
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gray

In Gray in May, humidity is 72%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration a little less comfortable and requiring a light jacket to stay warm and dry.

May Average Humidity in Gray

This chart illustrates the average monthly humidity levels in Gray, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Gray is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gray

In Gray in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Gray.

Maximum UV Index Levels in Gray for May

The chart shows the monthly maximum UV Index (UVI) for Gray in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Gray typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Gray May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Gray Compares to Other Months

Weather in Gray varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Gray, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Gray, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)81 mm (3.2 inches)86%low
February Weather-3°C (26°F)87 mm (3.4 inches)84%moderate
March Weather0°C (33°F)73 mm (2.9 inches)82%moderate
April Weather7°C (44°F)116 mm (4.6 inches)80%very high
May Weather12°C (55°F)78 mm (3.1 inches)72%very high
June Weather18°C (65°F)70 mm (2.7 inches)72%very high
July Weather21°C (71°F)127 mm (5.0 inches)67%very high
August Weather21°C (70°F)79 mm (3.1 inches)66%very high
September Weather17°C (63°F)68 mm (2.7 inches)71%high
October Weather11°C (52°F)127 mm (5.0 inches)78%moderate
November Weather4°C (39°F)110 mm (4.3 inches)84%moderate
December Weather-2°C (29°F)116 mm (4.6 inches)81%low

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